Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
You light a 25-W light bulb with the current from a 12-V lead-acid storage battery. After 1.0 h of operation, how much energy has the light bulb utilized? How many coulombs have passed through the bulb? Assume 100% efficiency. (A watt is the transfer of 1 J of energy in 1 s.)
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